[ NOTE: this is a repost of an earlier message of mine ]
I'm a user of Courier 0.38.1 under FreeBSD 4.0.
I'm trying to set up a variation of BOFH filtering under Courier.
The following pseudo-code describes the filtering logic that I'd
like to implement:
FOR each address "addr" within the 'From' and 'From:' headers:
IF domainOf(addr) IS a valid domain for my system
AND useridOf(addr) IS NOT a valid user/alias for that domain
REJECT email
In other words, I want to reject all email which purports to have
been sent from a domain hosted on my system, but for which the
userID of the sender's stated address is NOT a valid user ID or
alias on my system.
This seems to go beyond the capabilities offered by the command set
that's used within Courier's "bofh" file. Short of my writing a
custom filter (which I'm willing and able to do if necessary), is
there any other way that I can implement this filtering under
Courier?
Thanks in advance.
--
Hippo Man
[EMAIL PROTECTED]
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